Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing the new design.

The outermost broken line showing an electronic device illustrate environmental subject matter, whereas the other broken lines showing a display screen and text elements illustrate portions of the article. No subject matter depicted in broken lines form part of the claimed design. 

CLAIM What is claimed is the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 